oj.uz

답안 #771266

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
771266 2023-07-02T18:42:25 Z IBory Jakarta Skyscrapers (APIO15_skyscraper) C++17
57 / 100
 207 ms 256780 KB 
#pragma GCC optimize("O3")
#pragma GCC optimize("Ofast")
#pragma GCC optimize("unroll-loops")

#include <bits/stdc++.h>
#define pii pair<int, int>
using namespace std;

const int MAX = 2222222;
vector<int> G[MAX];
bool noL[MAX];
int D[MAX];

int main() {
	ios::sync_with_stdio(0); cin.tie(0);
	int N, M;
	cin >> N >> M;
	map<pii, vector<int>> make;
	pii S, E;
	for (int i = 0; i < M; ++i) {
		int b, p;
		cin >> b >> p; b++;
		if (i == 0) S = { b, p };
		if (i == 1) E = { b, p };
		make[{p, b % p}].push_back(b);
	}

	int node = N + 1, SN, EN;
	for (auto& [q, v] : make) {
		auto [p, i] = q;
		if (!i) i += p;
		vector<int> fr;
		for (int j = i; j <= N; j += p) {
			if (S == pii{ j, p }) SN = node;
			if (E == pii{ j, p }) EN = node;
			G[node].push_back(-j);
			fr.push_back(node++);
		}
		noL[fr[0]] = noL[fr.back() + 1] = 1;
		for (int n : v) {
			G[n].push_back(-fr[(n - 1) / p]);
		}
	}
	make.clear();
	for (int i = 1; i <= N; ++i) noL[i] = 1;

	memset(D, 0x3f, sizeof(D));
	D[SN] = 0;
	deque<int> Q;
	Q.push_back(SN);
	while (!Q.empty()) {
		int cur = Q.front(); Q.pop_front();
		if (cur == EN) break;
		if (!noL[cur]) G[cur].push_back(cur - 1);
		if (!noL[cur + 1]) G[cur].push_back(cur + 1);

		for (int next : G[cur]) {
			int d = 1;
			if (next < 0) {
				d = 0;
				next *= -1;
			}
			if (D[cur] + d >= D[next]) continue;
			D[next] = D[cur] + d;
			if (d == 0) Q.push_front(next);
			else Q.push_back(next);
		}

		if (!noL[cur]) G[cur].pop_back();
		if (!noL[cur + 1]) G[cur].pop_back();
	}

	cout << (D[EN] > 1E9 ? -1 : D[EN]);
	return 0;
}

Compilation message

skyscraper.cpp: In function 'int main()':
skyscraper.cpp:73:15: warning: 'EN' may be used uninitialized in this function [-Wmaybe-uninitialized]
   73 |  cout << (D[EN] > 1E9 ? -1 : D[EN]);
      |           ~~~~^

Subtask #1
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 31 ms 61140 KB Output is correct
2 Correct 31 ms 61212 KB Output is correct
3 Correct 30 ms 61088 KB Output is correct
4 Correct 31 ms 61148 KB Output is correct
5 Correct 52 ms 61152 KB Output is correct
6 Correct 30 ms 61212 KB Output is correct
7 Correct 31 ms 61112 KB Output is correct

Subtask #2
12.0 / 12.0

# 결과 실행 시간 메모리 Grader output
1 Correct 30 ms 61140 KB Output is correct
2 Correct 32 ms 61124 KB Output is correct
3 Correct 32 ms 61148 KB Output is correct
4 Correct 31 ms 61140 KB Output is correct
5 Correct 31 ms 61068 KB Output is correct
6 Correct 32 ms 61196 KB Output is correct
7 Correct 30 ms 61080 KB Output is correct
8 Correct 38 ms 61184 KB Output is correct
9 Correct 32 ms 61148 KB Output is correct
10 Correct 32 ms 61280 KB Output is correct
11 Correct 33 ms 61436 KB Output is correct
12 Correct 37 ms 61128 KB Output is correct
13 Correct 32 ms 61136 KB Output is correct
14 Correct 33 ms 61592 KB Output is correct
15 Correct 33 ms 61572 KB Output is correct

Subtask #3
14.0 / 14.0

# 결과 실행 시간 메모리 Grader output
1 Correct 31 ms 61112 KB Output is correct
2 Correct 31 ms 61096 KB Output is correct
3 Correct 32 ms 61216 KB Output is correct
4 Correct 30 ms 61200 KB Output is correct
5 Correct 31 ms 61116 KB Output is correct
6 Correct 36 ms 61180 KB Output is correct
7 Correct 32 ms 61140 KB Output is correct
8 Correct 32 ms 61072 KB Output is correct
9 Correct 32 ms 61156 KB Output is correct
10 Correct 32 ms 61304 KB Output is correct
11 Correct 32 ms 61504 KB Output is correct
12 Correct 32 ms 61148 KB Output is correct
13 Correct 32 ms 61224 KB Output is correct
14 Correct 34 ms 61608 KB Output is correct
15 Correct 33 ms 61524 KB Output is correct
16 Correct 32 ms 61356 KB Output is correct
17 Correct 34 ms 61832 KB Output is correct
18 Correct 33 ms 61456 KB Output is correct
19 Correct 34 ms 61372 KB Output is correct
20 Correct 32 ms 61216 KB Output is correct
21 Correct 32 ms 61416 KB Output is correct
22 Correct 33 ms 61484 KB Output is correct
23 Correct 32 ms 61520 KB Output is correct
24 Correct 35 ms 61792 KB Output is correct
25 Correct 34 ms 61588 KB Output is correct
26 Correct 33 ms 61428 KB Output is correct
27 Correct 33 ms 61396 KB Output is correct
28 Correct 35 ms 62208 KB Output is correct
29 Correct 39 ms 63188 KB Output is correct
30 Correct 34 ms 61764 KB Output is correct
31 Correct 37 ms 62292 KB Output is correct
32 Correct 35 ms 62024 KB Output is correct
33 Correct 45 ms 65308 KB Output is correct
34 Correct 48 ms 65304 KB Output is correct

Subtask #4
21.0 / 21.0

# 결과 실행 시간 메모리 Grader output
1 Correct 33 ms 61132 KB Output is correct
2 Correct 33 ms 61196 KB Output is correct
3 Correct 33 ms 61196 KB Output is correct
4 Correct 32 ms 61096 KB Output is correct
5 Correct 33 ms 61140 KB Output is correct
6 Correct 31 ms 61176 KB Output is correct
7 Correct 32 ms 61136 KB Output is correct
8 Correct 39 ms 61112 KB Output is correct
9 Correct 32 ms 61220 KB Output is correct
10 Correct 32 ms 61300 KB Output is correct
11 Correct 38 ms 61424 KB Output is correct
12 Correct 32 ms 61124 KB Output is correct
13 Correct 42 ms 61192 KB Output is correct
14 Correct 34 ms 61516 KB Output is correct
15 Correct 34 ms 61584 KB Output is correct
16 Correct 35 ms 61384 KB Output is correct
17 Correct 33 ms 61780 KB Output is correct
18 Correct 31 ms 61484 KB Output is correct
19 Correct 32 ms 61388 KB Output is correct
20 Correct 32 ms 61340 KB Output is correct
21 Correct 32 ms 61380 KB Output is correct
22 Correct 32 ms 61396 KB Output is correct
23 Correct 32 ms 61508 KB Output is correct
24 Correct 35 ms 61924 KB Output is correct
25 Correct 33 ms 61600 KB Output is correct
26 Correct 33 ms 61376 KB Output is correct
27 Correct 33 ms 61408 KB Output is correct
28 Correct 35 ms 62176 KB Output is correct
29 Correct 38 ms 63148 KB Output is correct
30 Correct 34 ms 61776 KB Output is correct
31 Correct 36 ms 62292 KB Output is correct
32 Correct 35 ms 61908 KB Output is correct
33 Correct 46 ms 65308 KB Output is correct
34 Correct 40 ms 65232 KB Output is correct
35 Correct 54 ms 67472 KB Output is correct
36 Correct 40 ms 62284 KB Output is correct
37 Correct 53 ms 68872 KB Output is correct
38 Correct 58 ms 69836 KB Output is correct
39 Correct 54 ms 69740 KB Output is correct
40 Correct 55 ms 69760 KB Output is correct
41 Correct 55 ms 69848 KB Output is correct
42 Correct 38 ms 61672 KB Output is correct
43 Correct 35 ms 61616 KB Output is correct
44 Correct 37 ms 61644 KB Output is correct
45 Correct 141 ms 80200 KB Output is correct
46 Correct 100 ms 80076 KB Output is correct

Subtask #5
0 / 43.0

# 결과 실행 시간 메모리 Grader output
1 Correct 31 ms 61132 KB Output is correct
2 Correct 31 ms 61164 KB Output is correct
3 Correct 31 ms 61164 KB Output is correct
4 Correct 32 ms 61184 KB Output is correct
5 Correct 31 ms 61180 KB Output is correct
6 Correct 32 ms 61188 KB Output is correct
7 Correct 32 ms 61104 KB Output is correct
8 Correct 31 ms 61140 KB Output is correct
9 Correct 31 ms 61136 KB Output is correct
10 Correct 31 ms 61268 KB Output is correct
11 Correct 31 ms 61484 KB Output is correct
12 Correct 31 ms 61168 KB Output is correct
13 Correct 33 ms 61224 KB Output is correct
14 Correct 33 ms 61564 KB Output is correct
15 Correct 33 ms 61580 KB Output is correct
16 Correct 32 ms 61396 KB Output is correct
17 Correct 34 ms 61880 KB Output is correct
18 Correct 32 ms 61552 KB Output is correct
19 Correct 33 ms 61388 KB Output is correct
20 Correct 33 ms 61260 KB Output is correct
21 Correct 38 ms 61300 KB Output is correct
22 Correct 39 ms 61396 KB Output is correct
23 Correct 35 ms 61428 KB Output is correct
24 Correct 40 ms 61848 KB Output is correct
25 Correct 34 ms 61644 KB Output is correct
26 Correct 33 ms 61452 KB Output is correct
27 Correct 34 ms 61472 KB Output is correct
28 Correct 36 ms 62084 KB Output is correct
29 Correct 38 ms 63180 KB Output is correct
30 Correct 34 ms 61756 KB Output is correct
31 Correct 36 ms 62348 KB Output is correct
32 Correct 35 ms 61964 KB Output is correct
33 Correct 46 ms 65228 KB Output is correct
34 Correct 45 ms 65224 KB Output is correct
35 Correct 62 ms 67504 KB Output is correct
36 Correct 41 ms 62316 KB Output is correct
37 Correct 51 ms 68876 KB Output is correct
38 Correct 61 ms 69744 KB Output is correct
39 Correct 55 ms 69792 KB Output is correct
40 Correct 58 ms 69840 KB Output is correct
41 Correct 56 ms 69744 KB Output is correct
42 Correct 35 ms 61584 KB Output is correct
43 Correct 36 ms 61616 KB Output is correct
44 Correct 40 ms 61652 KB Output is correct
45 Correct 117 ms 80196 KB Output is correct
46 Correct 99 ms 80156 KB Output is correct
47 Correct 80 ms 88024 KB Output is correct
48 Correct 53 ms 71604 KB Output is correct
49 Correct 48 ms 68568 KB Output is correct
50 Correct 44 ms 67736 KB Output is correct
51 Correct 69 ms 75252 KB Output is correct
52 Correct 76 ms 76152 KB Output is correct
53 Correct 52 ms 67912 KB Output is correct
54 Correct 33 ms 62148 KB Output is correct
55 Correct 38 ms 63060 KB Output is correct
56 Correct 39 ms 63232 KB Output is correct
57 Correct 47 ms 75240 KB Output is correct
58 Correct 41 ms 63512 KB Output is correct
59 Correct 41 ms 64480 KB Output is correct
60 Correct 43 ms 65468 KB Output is correct
61 Correct 43 ms 65112 KB Output is correct
62 Correct 109 ms 81436 KB Output is correct
63 Runtime error 207 ms 256780 KB Execution killed with signal 11
64 Halted 0 ms 0 KB -